package com.itheima.reggie.common;


import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

/**
* @Description: 全局异常处理
        * @Param: 
        * @return: 
        * @Author: Lei
        * @Date: 
 */

@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {


    /**
    * @Description: 异常处理方法
            * @Param: 
            * @return: 
            * @Author: Lei
            * @Date: 
     */
    
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());

        if(ex.getMessage().contains("Duplicate entry")){
            String[] s = ex.getMessage().split(" ");
            String msg=s[2]+"已存在";
            return R.error(msg);
        }

        return R.error("未知错误");
    }



    /**
     * @Description: 业务异常处理方法
     * @Param:
     * @return:
     * @Author: Lei
     * @Date:
     */

    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }
}
